Amass
Open-source framework for automated network mapping and external asset discovery
- Vendor
- OWASP Foundation
- Also known as
- amass
Available worldwide
What is Amass?
A framework that identifies external assets and attack surfaces through reconnaissance and open-source intelligence gathering techniques, helping security professionals understand their organization's external exposure.
Amass pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Silver Corporate Supporter
Logo placement, 1 annual social media campaign
Gold Corporate Supporter
2 annual social media campaigns, Global AppSec event slide exposure
Platinum Corporate Supporter
Maximum visibility, 4 annual social media campaigns, priority placement, sponsorship subsidy
What Amass does
The capabilities that matter for attack surface management, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Deployment model
- Standalone CLI
- Continuous daily scanning
- -
- Agentless external discovery
- ✓
- Automated asset attribution
- ✓
- Cloud cspm integration
- -
- Certificate transparency monitoring
- -
- Dark web exposure monitoring
- -
- Servicenow CMDB sync
- -
- Jira ticketing integration
- -
- Cve vulnerability mapping
- -
- SOC2 type ii
- -
- ISO 27001
- -
- Pricing model
- Open source
Platform & deployment
Independently observed- CLI
- Self-hosted
Integrations (8)
Independently observed- GitHub←•
- GitLab←•
- Shodan←•
- Google←•
- Bing←•
- SecurityTrails←•
- Greynoise←•
- HackerOne←•
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Amass FAQ
Common questions about Amass, answered from independent, dated evidence.
Is Amass free to use?
Amass is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.
What platforms does Amass support?
Amass supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Can Amass be self-hosted?
Yes. Amass can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.
Amass alternatives
Other attack surface management we track, ranked by the same independent score.
- CyCognitoDiscover your external vulnerabilities before attackers exploit themlow · 19%
- DetectifyExternal attack surface testing platform that identifies exploitable vulnerabilities using research from hacker communities and AI analysismedium · 55%
- NucleiContinuously discover and manage security exposures across cloud infrastructure, internal networks, code, and endpointslow · 19%
- Microsoft Defender EASMDiscover vulnerabilities and security exposures on internet-facing resourceslow · 37%
- Censys ASMInternet intelligence platform providing real-time visibility into external assets and internet-facing infrastructurelow · 19%
- Tenable Attack Surface ManagementMonitor your internet-connected assets to discover external threats and eliminate security blind spotslow · 7%
Compare Amass
Side by side against other attack surface management, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Amass, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Release cadence | 82 | 0.05 | 4.3 | ✓ |
| Integrations | 55 | 0.06 | 3.5 | ✓ |
| Capabilities | 46 | 0.06 | 2.9 | ✓ |
| Stars | 79 | 0.03 | 2.1 | ✓ |
| Security score | 30 | 0.04 | 1.3 | ✓ |
| Dependent projects | 0 | 0.06 | 0.0 | ✓ |
| Development activity | 0 | 0.09 | 0.0 | ✓ |
| Security posture | 0 | 0.21 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 0 | mediumsource · 2026-10-13 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 3 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Pricing model: open_source · Deployment model: standalone_cli · Automated asset attribution: Yes · Agentless external discovery: Yes | mediumsource · 2026-10-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 83 | mediumsource · 2026-10-13 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Go | highsource · 2026-10-13 · 90% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: US · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-09-11 · 75% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Scorecard | 3 | highsource · 2026-10-13 · 90% |
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fowasp-amass%2Famass%2Fv3%2Fnet%2Fhttp&per_page=100 · Last 12m: 0 | highsource · 2026-10-13 · 90% |
| Trust center | https://owasp.org/blog/2024/03/07/OWASP-CycloneDX-is-ready-to-support-your-CRA-compliance-journey.html | mediumsource · 2026-10-13 · 60% |
Is Amass the right choice for you?
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